About this trial
Nasal surgeries are common day case procedures. Although surgical complications are rare, bleeding decreases surgical field visibility and may cause vascular, orbital or intracranial complications in addition to failure of procedure. So, it is crucial to maintain hypotensive anaesthesia to optimize the surgical field.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
ASA I-II,
scheduled for elective nasal surgery
Disqualifiers
Patients with uncontrolled hypertension.
Patients with cardiac disease.
Patients with renal, hepatic or cerebral insufficiency.
Patients with coagulopathy or receiving drugs influencing blood coagulation.
Trial design
Parallel
Treatments tested in this trial
Intravenous Infusion of propofol, lidocaine, Magnesium sulfate
Drugintravenous infusion of propofol 6-10 mg.kg-1.h-1, lidocaine (lidocaine 2% 400mg in 20 ml) bolus of 1.5 mg.kg-1 followed by infusion with a rate of 1.5 mg.kg-1.h-1 and magnesium sulfate 40 mg.kg-1 loading followed by infusion of 20 mg.kg-1.h-1. the effect of either Propofol injection, or ketamine injection or dexmeditomidine injection on intraoperative bleeding
Intravenous infusion of ketamine, lidocaine, Magnesium sulfate
DrugPatients will receive intravenous infusion of Ketamine 0.1-0.2 mg.kg-1.h-1 (intravenous infusion of propofol 6-10 mg.kg-1.h-1, lidocaine (lidocaine 2% 400mg in 20 ml) bolus of 1.5 mg.kg-1 followed by infusion with a rate of 1.5 mg.kg-1.h-1 and magnesium sulfate 40 mg.kg-1 loading followed by infusion of 20 mg.kg-1.h-1. dose of 1 mg.kg-1), lidocaine bolus of 1.5 mg.kg-1 followed by infusion with a rate of 1.5 mg.kg-1.h-1 and magnesium sulfate 40 mg.kg-1 loading followed by infusion of 20 mg.kg-1.h-1.
Intravenous infusion of dexmedetomidine, lidocaine, Magnesium sulfate
DrugDexmeditomidine (Precedex® 200 mcg.2ml-1) with a rate of 0.2-0.6 mcg.Kg-1.h-1. lidocaine bolus of 1.5 mg.kg-1 followed by infusion with a rate of 1.5 mg.kg-1.h-1 and magnesium sulfate 40 mg.kg-1 loading followed by infusion of 20 mg.kg-1.h-1
Treatment groups
Trial outcomes
Primary outcomes
surgical field using the average category scale (ACS).
Degree of surgical field bleeding
Secondary outcomes
sedation using Ramsy sedation score
Degree of sedation using Ramsy sedation score
Sponsors and contacts
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